republican presidential candidate mitt romney will come see us on wednesday. he have lunch and then since bob erlich is the chairman for the romney campaigner see him and then go out to frederick this is in advance of the state primary. let's take a look at what happened tonight with larry jacobs. >> reporter: romney scored a win over santorum in sunday's puerto rico primary with more than 50% of the vote. he got the delegates to the nature convention. he left the island saturday after it appeared the island was safely in his collum. then he went to illinois. >> happy birthday to you. >> reporter: illinois is important if he is going to stop the gathering momentum for santorum. all say he holes a slight lead over santorum in tuesday's primary. >> i appreciate your willingness to vote on tuesday. i need your vote on tuesday. >> reporter: he continued to question santorum's economic abilities, calling him and the president economic light weights. >> i don't think we will replace an economic light weight with another one. republican santorum was busy in louisiana